The suggestion was made to utilize the coke oven gas as the reductant of iron ore to produce direct reduction iron(DRI) in a shaft furnace.

• 建议利用焦炉煤气作为铁矿石的还原剂,在竖炉中生产直接还原铁;论述了其基本工艺过程和技术上的可能性及经济上的合理性。